(1939). Wildlife management plan, Deerfield District, George Washington National Forest, 1939-1943.
芝加哥风格引文Wildlife Management Plan, Deerfield District, George Washington National Forest, 1939-1943. 1939.
MLA引文Wildlife Management Plan, Deerfield District, George Washington National Forest, 1939-1943. 1939.
警告：这些引文格式不一定是100％准确.